Service difficulty report · Intercostal · Boeing 7378H4

Difficulty date
September 15, 2023
Submitted
October 18, 2023
Operation
Air carrier
Aircraft
N8551Q
Make and model
Boeing 7378H4
Aircraft serial
36951
Aircraft time
19,763 hours, 9,809 cycles
Part
Intercostal
Part number
UNKNOWN
Condition
Cracked
Location
Zn 200 Fus Top
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CABIN FLOOR INTERCOSTAL CRACKED LBL-13 BETWEEN STA-380-400 (MARKED)<[01] REMOVED UPPER ANGLE FROM WEB PER 51-40-02.;[02] REMOVED AND REPLACED DISCREPANT CHORD WITH NEW 143A5410-174 CHORD IAW SRM 51-40-02;[03] CW

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